31231245851104 has 192 divisors, whose sum is σ = 68556464266752. Its totient is φ = 13907834265600.

The previous prime is 31231245851041. The next prime is 31231245851123. The reversal of 31231245851104 is 40115854213213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6793829734 + ... + 6793834330.

It is an arithmetic number, because the mean of its divisors is an integer number (357064918056).

Almost surely, 2^{31231245851104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31231245851104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34278232133376).

31231245851104 is an abundant number, since it is smaller than the sum of its proper divisors (37325218415648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31231245851104 is a wasteful number, since it uses less digits than its factorization.

31231245851104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109 (or 6101 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 31231245851104 in words is "thirty-one trillion, two hundred thirty-one billion, two hundred forty-five million, eight hundred fifty-one thousand, one hundred four".